/*
    This file is part of Sylvan.
    Copyright (C) 2008-2018 Cute Chess authors
    Copyright (C) 2019 Wilbert Lee

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Sylvan.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef ENGINEMANAGEMENTWIDGET_H
#define ENGINEMANAGEMENTWIDGET_H

#include <QWidget>

#include <engineconfiguration.h>

class EngineManager;
class QSortFilterProxyModel;
class QModelIndex;

namespace Ui {
class EngineManagementWidget;
}

/*!
 * \brief The EngineManagementWidget class provides a dialog for chess engine
 * management.
*/
class EngineManagementWidget : public QWidget
{
    Q_OBJECT

public:
    /*! Creates a new engine management widget. */
    EngineManagementWidget(QWidget* parent = nullptr);
    /*! Destroys the widget. */
    virtual ~EngineManagementWidget();

    /*!
         * Returns true if configuration has changed;
         * otherwise returns false.
         */
    bool hasConfigChanged() const;

    /*! Saves the engine configuration to engines.json. */
    void saveConfig();

private slots:
    void updateUi();
    void updateSearch(const QString& terms);
    void addEngine();
    void configureEngine();
    void configureEngine(const QModelIndex& index);
    void removeEngine();
    void browseDefaultLocation();

private:
    void updateEngineCount();

    EngineManager* m_engineManager;
    bool m_hasChanged;
    QSortFilterProxyModel* m_filteredModel;
    Ui::EngineManagementWidget* ui;
};

#endif // ENGINEMANAGEMENTWIDGET_H
